Fortinet FortiGate 1U Quick Start Manual page 116

For the second policy, set Incoming
Interface to WLAN2, Source Address to
the AirPrint, Outgoing Interface to LAN,
and Destination Address to Bonjour.
Adding inter-subnet security
policies
Go to Policy > Policy > Policy.
Create a policy allowing printing from
wireless devices. Set Incoming Interface to
WLAN1, Source Address to the SSID1 IP,
Outoing Interface to WLAN2, Destination
Address to the AirPrint, and Service to IPP.
Create a policy allowing printing from an
OS X computer to the AirPrint printer. Set
Incoming Interface to LAN, Source
Address to the Internal network, Outoing
Interface to WLAN2, Destination Address
to the AirPrint, and Service to IPP.
96 The FortiGate Cookbook 5.0.